Waugh, T. (2005). Power up your profits: 31 days to better selling. Hoboken, N.J: John Wiley & Sons.
Trích dẫn kiểu ChicagoWaugh, Troy. Power Up Your Profits: 31 Days to Better Selling. Hoboken, N.J: John Wiley & Sons, 2005.
MLA citiranjeWaugh, Troy. Power Up Your Profits: 31 Days to Better Selling. Hoboken, N.J: John Wiley & Sons, 2005.
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